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Earn +20 ptsQ: Is 8 over 21 a rational number Yes or no?
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Continue Learning about Math & Arithmetic
Is the square root of 441 a rational number?
Yes because 21 is a rational number
Is 21 a rational number?
Yes. Any whole number is rational. An irrational number is one that goes on forever without repeating, like √2=1.414213...
Is 13.21 repeating rational?
Yes, 13.'21' repeating is a rational number because it can be expressed in the form of a fraction as 436/33
Why is 0.21 a rational number?
0.21 is a rational number because it can be expressed as a fraction in the form of 21/100
Is 4.2 an irrational or rational number?
It is rational because it can be expressed as a fraction which is 21/5
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